Features Screw Extractor: Allows for free application on extracting lug nuts, screws and bolts, very practical. Various Sizes: Including 10pcs removing socket in different sizes to meet your various work needs. Easier Removing: With square slot and strong torsion, the easy removing has no slipping. Extra Durability: Through quenching treatment, the chrome vanadium steel is durable and rustproof. Red Storage Box: The red storage box will store all the tool in an orderly way to simplify carrying. Specification: Item Type: Screw Extractor Material: Chrome Vanadium Steel Application: Broken Nut Extractor Surfaces Treatment: Quenching Treatment Colour: Black Socket Size: Approx. 9mm / 0.4in 10mm / 0.4in 11mm / 0.4in 12mm / 0.5in 13mm / 0.5in 14mm / 0.6in 15mm / 0.6in 16mm / 0.6in 17mm / 0.7in 19mm / 0.7in Square Slot Size: 3/8in Package List: 10 x Screw Extractor 1 x Percussion Bar 1 x Red Storage Box Package List 10 x Screw Extractor 1 x Percussion Bar 1 x Red Storage Box